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dm: publish array_too_big

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Move array_too_big to include/linux/device-mapper.h because it is
used by targets.

Remove the test from dm-raid1 as the number of mirror legs is limited
such that it can never fail.  (Even for stripes it seems rather
unlikely.)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Mikulas Patocka
2008-10-21 17:44:57 +01:00
committed by Alasdair G Kergon
parent 7acedc5b98
commit d63a5ce3c0
4 changed files with 5 additions and 14 deletions
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3
include/linux/device-mapper.h
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@ -354,6 +354,9 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
*/
#define dm_round_up(n, sz) (dm_div_up((n), (sz)) * (sz))
#define dm_array_too_big(fixed, obj, num) \
((num) > (UINT_MAX - (fixed)) / (obj))
static inline sector_t to_sector(unsigned long n)
{
return (n >> SECTOR_SHIFT);